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fix(tui): word-wrap composer input (#17651)

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* fix(tui): word-wrap composer input

Wrap composer input at word boundaries and anchor the good-vibes heart to the full composer row.

* test(tui): cover composer word wrap edge

Add regression coverage for moving the next word instead of splitting it at the composer edge.
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brooklyn! 2026-04-29 16:55:49 -07:00 • committed by GitHub
parent 5e6e8b6af3
commit 98f5be13fa
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4 changed files with 170 additions and 96 deletions
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56
ui-tui/src/components/textInput.tsx
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@ -4,7 +4,7 @@ import { type MutableRefObject, useEffect, useMemo, useRef, useState } from 'rea
import { setInputSelection } from '../app/inputSelectionStore.js'
import { readClipboardText, writeClipboardText } from '../lib/clipboard.js'
import { cursorLayout } from '../lib/inputMetrics.js'
import { cursorLayout, offsetFromPosition } from '../lib/inputMetrics.js'
import { isActionMod, isMac, isMacActionFallback } from '../lib/platform.js'
type InkExt = typeof Ink & {
@ -170,57 +170,7 @@ export function lineNav(s: string, p: number, dir: -1 | 1): null | number {
return snapPos(s, Math.min(nextBreak + 1 + col, lineEnd))
}
export function offsetFromPosition(value: string, row: number, col: number, cols: number) {
if (!value.length) {
return 0
}
const targetRow = Math.max(0, Math.floor(row))
const targetCol = Math.max(0, Math.floor(col))
const w = Math.max(1, cols)
let line = 0
let column = 0
let lastOffset = 0
for (const { segment, index } of seg().segment(value)) {
lastOffset = index
if (segment === '\n') {
if (line === targetRow) {
return index
}
line++
column = 0
continue
}
const sw = Math.max(1, stringWidth(segment))
if (column + sw > w) {
if (line === targetRow) {
return index
}
line++
column = 0
}
if (line === targetRow && targetCol <= column + Math.max(0, sw - 1)) {
return index
}
column += sw
}
if (targetRow >= line) {
return value.length
}
return lastOffset
}
export { offsetFromPosition }
function renderWithCursor(value: string, cursor: number) {
const pos = Math.max(0, Math.min(cursor, value.length))
@ -1059,7 +1009,7 @@ export function TextInput({
ref={boxRef}
width={columns}
>
<Text wrap="wrap-char">{rendered}</Text>
<Text wrap="wrap">{rendered}</Text>
</Box>
)
}